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Callers cannot
contact you
Fail to charge
Fail to set some
functions
Note: If the instruction above can not help you solve problems, please
record：
Mobile phone model and serial number
Specific content of warranty
Clear statement of problems
Then contact your local dealer or a Karbonn authorized service center in
your area.
Please confirm if the call barring is set.
Please confirm if the fixed dial function is set.
Please confirm if the mobile phone is on and connected
with the network.
Please confirm if calling is forbidden because of
defaulting.
Please confirm if the SIM card is valid.
Please confirm if the call barring is set.
Please check if the plug is connected well.
Charge in the environment below 40℃ or above 55℃.
Please change your charging port.
The battery or charger is damaged. You need to replace
it.
Wrong operation.
The network provider does not support the function or
you have not applied for it.
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